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Railways Sample Paper RRB (Group D) Sample Test Paper-9

  • question_answer
    The ratio of the length and the breadth of a rectangle is 4:3 and the area of the rectangle is 1728 sq. cm. What is the ratio of the breadth and the area of the rectangle?

    A)  1:38                

    B)  1:24

    C)  1:42                

    D)  1:48

    Correct Answer: D

    Solution :

    [d] \[(4x)(3x)=1728\] \[\Rightarrow \,\,\,{{x}^{2}}=144\,\,\therefore \,\,x=12\] \[\Rightarrow \]Length = 48; breadth = 36 \[\therefore \] Required ratio \[=\frac{(n+3)+(n+4)}{7}\]


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